Black Spots Flexible Ducts Attic

Most of the time dirt accumulates on ceilings because air is leaking in from the attic between the drywall and the supply register.

Black spots flexible ducts attic.

Black mold has a distinctive unpleasant musty smell. When hvac ducts are installed in a vented attic in a dry climate bury the ducts in attic insulation to protect them from temperature extremes in the unconditioned attic space. The last usual cause for condensation on a duct system is if the ducts are not properly hung or they are touching each other. Ductwork located in an attic must be hung properly so that the insulation can do its job.

The black dust may be patchy and difficult to wipe off. Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords. Clean out your ductwork if it s confirmed that you have mold growing inside. Use metal flex or fiber board ducts that are insulated to.

The flex ducts were literally filled shut with ice in the low spots compressing the scant insulation layer beneath them. Black dust around air vents. You may have black mold in your air ducts if you notice any of the following signs. If you notice black dust around your air vents this could be a sign of black mold growing within.

Your home s ductwork is located in unconditioned spaces like attics and behind walls where all kinds of dust and dirty insulation abounds. Confirm that the black particles are actually mold spores through a lab test. Dark dust is blowing into your home. The good news is with a flex duct system we can either hand seal the connection points or perform an aeroseal to stop the water.